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rtc: stmp3xxx: unify register access macros 

Use STMP_OFFSET_REG_(SET|CLR) instead of defining _SET and _CLR for
STMP3XXX_RTC_CTRL and STMP3XXX_RTC_PERSISTENT0 - no functional changes.

Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Harald Geyer 2015-10-02 20:18:01 +00:00 committed by Alexandre Belloni
parent ce006ca6d3
commit 2441782993
1 changed files with 13 additions and 14 deletions
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27
drivers/rtc/rtc-stmp3xxx.c
View File

@ -32,8 +32,6 @@
#include <linux/stmp3xxx_rtc_wdt.h>
#define STMP3XXX_RTC_CTRL 0x0
#define STMP3XXX_RTC_CTRL_SET 0x4
#define STMP3XXX_RTC_CTRL_CLR 0x8
#define STMP3XXX_RTC_CTRL_ALARM_IRQ_EN 0x00000001
#define STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN 0x00000002
#define STMP3XXX_RTC_CTRL_ALARM_IRQ 0x00000004
@ -52,8 +50,6 @@
#define STMP3XXX_RTC_WATCHDOG 0x50
#define STMP3XXX_RTC_PERSISTENT0 0x60
#define STMP3XXX_RTC_PERSISTENT0_SET 0x64
#define STMP3XXX_RTC_PERSISTENT0_CLR 0x68
#define STMP3XXX_RTC_PERSISTENT0_CLOCKSOURCE (1 << 0)
#define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN (1 << 1)
#define STMP3XXX_RTC_PERSISTENT0_ALARM_EN (1 << 2)
@ -179,7 +175,7 @@ static irqreturn_t stmp3xxx_rtc_interrupt(int irq, void *dev_id)
if (status & STMP3XXX_RTC_CTRL_ALARM_IRQ) {
writel(STMP3XXX_RTC_CTRL_ALARM_IRQ,
rtc_data->io + STMP3XXX_RTC_CTRL_CLR);
rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
rtc_update_irq(rtc_data->rtc, 1, RTC_AF | RTC_IRQF);
return IRQ_HANDLED;
}
@ -194,15 +190,17 @@ static int stmp3xxx_alarm_irq_enable(struct device *dev, unsigned int enabled)
if (enabled) {
writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN,
rtc_data->io + STMP3XXX_RTC_PERSISTENT0_SET);
rtc_data->io + STMP3XXX_RTC_PERSISTENT0 +
STMP_OFFSET_REG_SET);
writel(STMP3XXX_RTC_CTRL_ALARM_IRQ_EN,
rtc_data->io + STMP3XXX_RTC_CTRL_SET);
rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_SET);
} else {
writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN,
rtc_data->io + STMP3XXX_RTC_PERSISTENT0_CLR);
rtc_data->io + STMP3XXX_RTC_PERSISTENT0 +
STMP_OFFSET_REG_CLR);
writel(STMP3XXX_RTC_CTRL_ALARM_IRQ_EN,
rtc_data->io + STMP3XXX_RTC_CTRL_CLR);
rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
}
return 0;
}
@ -245,7 +243,7 @@ static int stmp3xxx_rtc_remove(struct platform_device *pdev)
return 0;
writel(STMP3XXX_RTC_CTRL_ALARM_IRQ_EN,
rtc_data->io + STMP3XXX_RTC_CTRL_CLR);
rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
return 0;
}
@ -334,16 +332,17 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev)
STMP3XXX_RTC_PERSISTENT0_CLOCKSOURCE;
}
writel(pers0_set, rtc_data->io + STMP3XXX_RTC_PERSISTENT0_SET);
writel(pers0_set, rtc_data->io + STMP3XXX_RTC_PERSISTENT0 +
STMP_OFFSET_REG_SET);
writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE | pers0_clr,
rtc_data->io + STMP3XXX_RTC_PERSISTENT0_CLR);
rtc_data->io + STMP3XXX_RTC_PERSISTENT0 + STMP_OFFSET_REG_CLR);
writel(STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN |
STMP3XXX_RTC_CTRL_ALARM_IRQ_EN,
rtc_data->io + STMP3XXX_RTC_CTRL_CLR);
rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
rtc_data->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
&stmp3xxx_rtc_ops, THIS_MODULE);
@ -376,7 +375,7 @@ static int stmp3xxx_rtc_resume(struct device *dev)
writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE,
rtc_data->io + STMP3XXX_RTC_PERSISTENT0_CLR);
rtc_data->io + STMP3XXX_RTC_PERSISTENT0 + STMP_OFFSET_REG_CLR);
return 0;
}
#endif